User manual

OceanWorks International
120 – 6741 Cariboo Road
Burnaby, BC V3N 4A3
Canada
www.oceanworks.com
Document Number: 0848-RPT002 Subsea System User Manual
Author: Graham Cunliffe Page 12 of 27 Revision 1.0
Table 6.2.1.1. Subsea Software System Status Bits
System Status Condition System Status
Bit
Bit = 0 Bit = 1
Command Link Status 1 OFF ON
Auto-calibration Bit 5 OFF ON
ADC Setting Bit 7 ± 10VDC 0-5VDC
6.2.2. Breaker Status Conditions
The subsea software defines the breaker status bits given in Table 6.2.2.1.
Table 6.2.2.1. Subsea Software Breaker Status Bits
Breaker Status Condition Breaker Status
Bit
Bit = 0 Bit = 1
FET ON Bit 0 OFF ON
Rely ON Bit 1 OFF ON
Over-current INHIBIT Bit 8 NOT
INHIBITED
INHIBITED
Breaker Hold-off Bit 9 NO HOLD-
OFF
WAITING
FOR
HOLD- OFF
TIME
6.3. Fault Conditions
6.3.1. System Fault Conditions
The subsea software generates a system fault for the conditions given in Table 6.3.1.1.
Table 6.3.1.1. Subsea Software System Fault Conditions
Fault Condition
System Status
Bit
TCP send error 2
Auto-calibration error 6
6.3.2. Breaker Fault Condition
The subsea software monitors critical breaker parameters and compares them to user
specified limits at frequency of 1Hz. If a fault is detected, the breaker experiencing it will
be shut down. The error conditions are given in Table 6.3.2.1.